<template>
    <div>
        <!-- banner -->
        <div class="home-banner" :style="cover">
            <div class="banner-container">
                <!-- 联系方式 -->
                <h1 class="blog-title animated zoomIn">
                    {{ blogInfo.websiteConfig.websiteName }}
                </h1>
                <!-- 一言 -->
                <div class="blog-intro">
                    {{ obj.output }} <span class="typed-cursor">|</span>
                </div>
                <!-- 联系方式 -->
                <div class="blog-contact">
                    <a v-if="isShowSocial('qq')" class="mr-5 iconfont iconqq" target="_blank"
                       :href="'http://wpa.qq.com/msgrd?v=3&uin=' +blogInfo.websiteConfig.qq +'&site=qq&menu=yes'"/>
                    <a v-if="isShowSocial('github')" target="_blank" :href="blogInfo.websiteConfig.github"
                       class="mr-5 iconfont icongithub"/>
                    <a v-if="isShowSocial('gitee')" target="_blank" :href="blogInfo.websiteConfig.gitee"
                       class="iconfont icongitee-fill-round"/>
                </div>
            </div>
            <!-- 向下滚动 -->
            <div class="scroll-down" @click="scrollDown">
                <v-icon color="#fff" class="scroll-down-effects">
                    mdi-chevron-down
                </v-icon>
            </div>
        </div>
        <!-- 主页文章 -->
        <v-row class="home-container">
            <v-col md="9" cols="12">
                <!-- 说说轮播 -->
                <v-card class="animated zoomIn" v-if="talkList.length > 0">
                    <Swiper :list="talkList"/>
                </v-card>
                <v-card class="animated zoomIn article-card" style="border-radius: 12px 8px 8px 12px"
                        v-for="(item, index) of articleList" :key="item.id">
                    <!-- 文章封面图 -->
                    <div :class="isRight(index)">
                        <router-link :to="'/articles/' + item.id">
                            <v-img class="on-hover" width="100%" height="100%" :src="item.articleCover"/>
                        </router-link>
                    </div>
                    <!-- 文章信息 -->
                    <div class="article-wrapper">
                        <div style="line-height:1.4">
                            <router-link :to="'/articles/' + item.id">{{ item.articleTitle }}</router-link>
                        </div>
                        <div class="article-info">
                            <!-- 是否置顶 -->
                            <span v-if="item.isTop == 1">
                                <span style="color:#ff7242"><i class="iconfont iconzhiding"/> 置顶</span>
                                <span class="separator">|</span>
                            </span>
                            <!-- 发表时间 -->
                            <v-icon size="14">mdi-calendar-month-outline</v-icon>
                            {{ item.createTime | date }}
                            <span class="separator">|</span>
                            <!-- 文章分类 -->
                            <router-link :to="'/categories/' + item.categoryId">
                                <v-icon size="14">mdi-inbox-full</v-icon>
                                {{ item.categoryName }}
                            </router-link>
                            <span class="separator">|</span>
                            <!-- 文章标签 -->
                            <router-link style="display:inline-block" :to="'/tags/' + tag.id" class="mr-1"
                                         v-for="tag of item.tagDTOList" :key="tag.id">
                                <v-icon size="14">mdi-tag-multiple</v-icon>
                                {{ tag.tagName }}
                            </router-link>
                        </div>
                        <!-- 文章内容 -->
                        <div class="article-content">
                            {{ item.articleContent }}
                        </div>
                    </div>
                </v-card>
                <!-- 无限加载 -->
                <infinite-loading @infinite="infiniteHandler">
                    <div slot="no-more"/>
                </infinite-loading>
            </v-col>
            <!-- 博主信息 -->
            <v-col md="3" cols="12" class="d-md-block d-none">
                <div class="blog-wrapper">
                    <v-card class="animated zoomIn blog-card mt-5">
                        <div class="author-wrapper">
                            <!-- 博主头像 -->
                            <v-avatar size="110">
                                <img alt="" class="author-avatar" :src="blogInfo.websiteConfig.websiteAvatar"/>
                            </v-avatar>
                            <div style="font-size: 1.375rem;margin-top:0.625rem">
                                {{ blogInfo.websiteConfig.websiteAuthor }}
                            </div>
                            <div style="font-size: 0.875rem;">
                                {{ blogInfo.websiteConfig.websiteIntro }}
                            </div>
                        </div>
                        <!-- 博客信息 -->
                        <div class="blog-info-wrapper">
                            <div class="blog-info-data">
                                <router-link to="/archives">
                                    <div style="font-size: 0.875rem">文章</div>
                                    <div style="font-size: 1.25rem">
                                        {{ blogInfo.articleCount }}
                                    </div>
                                </router-link>
                            </div>
                            <div class="blog-info-data">
                                <router-link to="/categories">
                                    <div style="font-size: 0.875rem">分类</div>
                                    <div style="font-size: 1.25rem">
                                        {{ blogInfo.categoryCount }}
                                    </div>
                                </router-link>
                            </div>
                            <div class="blog-info-data">
                                <router-link to="/tags">
                                    <div style="font-size: 0.875rem">标签</div>
                                    <div style="font-size: 1.25rem">{{ blogInfo.tagCount }}</div>
                                </router-link>
                            </div>
                        </div>
                        <!-- 收藏按钮 -->
                        <a class="collection-btn" @click="tip = true">
                            <v-icon color="#fff" size="18" class="mr-1">mdi-bookmark</v-icon>
                            加入书签
                        </a>
                        <!-- 社交信息 -->
                        <div class="card-info-social">
                            <a v-if="isShowSocial('qq')" class="mr-5 iconfont iconqq"
                               target="_blank"
                               :href="'http://wpa.qq.com/msgrd?v=3&uin=' +blogInfo.websiteConfig.qq +'&site=qq&menu=yes'"/>
                            <a v-if="isShowSocial('github')" target="_blank" :href="blogInfo.websiteConfig.github"
                               class="mr-5 iconfont icongithub"/>
                            <a v-if="isShowSocial('gitee')" target="_blank" :href="blogInfo.websiteConfig.gitee"
                               class="iconfont icongitee-fill-round"/>
                        </div>
                    </v-card>
                    <!-- 网站信息 -->
                    <v-card class="blog-card animated zoomIn mt-5 big">
                        <div class="web-info-title">
                            <v-icon size="18">mdi-bell</v-icon>
                            公告
                        </div>
                        <div style="font-size:0.875rem">
                            {{ blogInfo.websiteConfig.websiteNotice }}
                        </div>
                    </v-card>
                    <!-- 网站信息 -->
                    <v-card class="blog-card animated zoomIn mt-5">
                        <div class="web-info-title">
                            <v-icon size="18">mdi-chart-line</v-icon>
                            网站资讯
                        </div>
                        <div class="web-info">
                            <div style="padding:4px 0 0">
                                运行时间:<span class="float-right">{{ time }}</span>
                            </div>
                            <div style="padding:4px 0 0">
                                总访问量:
                                <span class="float-right">{{ blogInfo.viewsCount }}</span>
                            </div>
                        </div>
                    </v-card>
                </div>
            </v-col>
        </v-row>
        <!-- 提示消息 -->
        <v-snackbar v-model="tip" top color="#49b1f5" :timeout="2000">
            按CTRL+D 键将本页加入书签
        </v-snackbar>
    </div>
</template>

<script>
import Swiper from "../../components/Swiper.vue";
import EasyTyper from "easy-typer-js";

export default {
    components: {
        Swiper
    },
    created() {
        this.init();
        this.listHomeTalks();
        this.timer = setInterval(this.runTime, 1000);
    },
    data: function () {
        return {
            tip: false,
            time: "",
            obj: {
                output: "",
                isEnd: false,
                speed: 300,
                singleBack: false,
                sleep: 0,
                type: "rollback",
                backSpeed: 40,
                sentencePause: true
            },
            articleList: [],
            talkList: [],
            current: 1
        };
    },
    methods: {
        // 初始化
        init() {
            document.title = this.blogInfo.websiteConfig.websiteName;
            // 一言Api进行打字机循环输出效果
            fetch("https://v1.hitokoto.cn?c=i")
                .then(res => {
                    return res.json();
                })
                .then(({hitokoto}) => {
                    this.initTyped(hitokoto);
                });
        },
        listHomeTalks() {
            this.axios.get("/api/home/talks").then(({data}) => {
                this.talkList = data.data;
            });
        },
        initTyped(input, fn, hooks) {
            const obj = this.obj;
            // eslint-disable-next-line no-unused-vars
            const typed = new EasyTyper(obj, input, fn, hooks);
        },
        scrollDown() {
            window.scrollTo({
                behavior: "smooth",
                top: document.documentElement.clientHeight
            });
        },
        runTime() {
            var timeold =
                new Date().getTime() -
                new Date(this.blogInfo.websiteConfig.websiteCreateTime).getTime();
            var msPerDay = 24 * 60 * 60 * 1000;
            var daysold = Math.floor(timeold / msPerDay);
            var str = "";
            var day = new Date();
            str += daysold + "天";
            str += day.getHours() + "时";
            str += day.getMinutes() + "分";
            str += day.getSeconds() + "秒";
            this.time = str;
        },
        infiniteHandler($state) {
            let md = require("markdown-it")();
            this.axios
                .get("/api/articles", {
                    params: {
                        current: this.current
                    }
                })
                .then(({data}) => {
                    if (data.data.length) {
                        // 去除markdown标签
                        data.data.forEach(item => {
                            item.articleContent = md
                                .render(item.articleContent)
                                .replace(/<\/?[^>]*>/g, "")
                                .replace(/[|]*\n/, "")
                                .replace(/&npsp;/gi, "");
                        });
                        this.articleList.push(...data.data);
                        this.current++;
                        $state.loaded();
                    } else {
                        $state.complete();
                    }
                });
        }
    },
    computed: {
        isRight() {
            return function (index) {
                if (index % 2 == 0) {
                    return "article-cover left-radius";
                }
                return "article-cover right-radius";
            };
        },
        blogInfo() {
            return this.$store.state.blogInfo;
        },
        isShowSocial() {
            return function (social) {
                return this.blogInfo.websiteConfig.socialUrlList.indexOf(social) != -1;
            };
        },
        cover() {
            var cover = "";
            this.$store.state.blogInfo.pageList.forEach(item => {
                if (item.pageLabel == "home") {
                    cover = item.pageCover;
                }
            });
            return "background: url(" + cover + ") center center / cover no-repeat";
        }
    }
};
</script>

<style lang="stylus">
.typed-cursor
    opacity: 1
    animation: blink 0.7s infinite

@keyframes blink
    0%
        opacity: 1
    50%
        opacity: 0
    100%
        opacity: 1
</style>

<style scoped>
.home-banner {
    position: absolute;
    top: -60px;
    left: 0;
    right: 0;
    height: 100vh;
    background-attachment: fixed;
    text-align: center;
    color: #fff !important;
    animation: header-effect 1s;
}

.banner-container {
    margin-top: 43vh;
    line-height: 1.5;
    color: #eee;
}

.blog-contact a {
    color: #fff !important;
}

.card-info-social {
    line-height: 40px;
    text-align: center;
    margin: 6px 0 -6px;
}

.card-info-social a {
    font-size: 1.5rem;
}

.left-radius {
    border-radius: 8px 0 0 8px !important;
    order: 0;
}

.right-radius {
    border-radius: 0 8px 8px 0 !important;
    order: 1;
}

.article-wrapper {
    font-size: 14px;
}

@media (min-width: 760px) {
    .blog-title {
        font-size: 2.5rem;
    }

    .blog-intro {
        font-size: 1.5rem;
    }

    .blog-contact {
        display: none;
    }

    .home-container {
        max-width: 1200px;
        margin: calc(100vh - 48px) auto 28px auto;
        padding: 0 5px;
    }

    .article-card {
        display: flex;
        align-items: center;
        height: 280px;
        width: 100%;
        margin-top: 20px;
    }

    .article-cover {
        overflow: hidden;
        height: 100%;
        width: 45%;
    }

    .on-hover {
        transition: all 0.6s;
    }

    .article-card:hover .on-hover {
        transform: scale(1.1);
    }

    .article-wrapper {
        padding: 0 2.5rem;
        width: 55%;
    }

    .article-wrapper a {
        font-size: 1.5rem;
        transition: all 0.3s;
    }
}

@media (max-width: 759px) {
    .blog-title {
        font-size: 26px;
    }

    .blog-contact {
        font-size: 1.25rem;
        line-height: 2;
    }

    .home-container {
        width: 100%;
        margin: calc(100vh - 66px) auto 0 auto;
    }

    .article-card {
        margin-top: 1rem;
    }

    .article-cover {
        border-radius: 8px 8px 0 0 !important;
        height: 230px !important;
        width: 100%;
    }

    .article-cover div {
        border-radius: 8px 8px 0 0 !important;
    }

    .article-wrapper {
        padding: 1.25rem 1.25rem 1.875rem;
    }

    .article-wrapper a {
        font-size: 1.25rem;
        transition: all 0.3s;
    }
}

.scroll-down {
    cursor: pointer;
    position: absolute;
    bottom: 0;
    width: 100%;
}

.scroll-down i {
    font-size: 2rem;
}

.article-wrapper a:hover {
    color: #8e8cd8;
}

.article-info {
    font-size: 95%;
    color: #858585;
    line-height: 2;
    margin: 0.375rem 0;
}

.article-info a {
    font-size: 95%;
    color: #858585 !important;
}

.article-content {
    line-height: 2;
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
}

.blog-wrapper {
    position: sticky;
    top: 10px;
}

.blog-card {
    line-height: 2;
    padding: 1.25rem 1.5rem;
}

.author-wrapper {
    text-align: center;
}

.blog-info-wrapper {
    display: flex;
    justify-self: center;
    padding: 0.875rem 0;
}

.blog-info-data {
    flex: 1;
    text-align: center;
}

.blog-info-data a {
    text-decoration: none;
}

.collection-btn {
    text-align: center;
    z-index: 1;
    font-size: 14px;
    position: relative;
    display: block;
    background-color: #49b1f5;
    color: #fff !important;
    height: 32px;
    line-height: 32px;
    transition-duration: 1s;
    transition-property: color;
}

.collection-btn:before {
    position: absolute;
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
    z-index: -1;
    background: #ff7242;
    content: "";
    transition-timing-function: ease-out;
    transition-duration: 0.5s;
    transition-property: transform;
    transform: scaleX(0);
    transform-origin: 0 50%;
}

.collection-btn:hover:before {
    transition-timing-function: cubic-bezier(0.45, 1.64, 0.47, 0.66);
    transform: scaleX(1);
}

.author-avatar {
    transition: all 0.5s;
}

.author-avatar:hover {
    transform: rotate(360deg);
}

.web-info {
    padding: 0.25rem;
    font-size: 0.875rem;
}

.scroll-down-effects {
    color: #eee !important;
    text-align: center;
    text-shadow: 0.1rem 0.1rem 0.2rem rgba(0, 0, 0, 0.15);
    line-height: 1.5;
    display: inline-block;
    text-rendering: auto;
    -webkit-font-smoothing: antialiased;
    animation: scroll-down-effect 1.5s infinite;
}

@keyframes scroll-down-effect {
    0% {
        top: 0;
        opacity: 0.4;
        filter: alpha(opacity=40);
    }
    50% {
        top: -16px;
        opacity: 1;
        filter: none;
    }
    100% {
        top: 0;
        opacity: 0.4;
        filter: alpha(opacity=40);
    }
}

.big i {
    color: #f00;
    animation: big 0.8s linear infinite;
}

@keyframes big {
    0%,
    100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.2);
    }
}
</style>
